Dietitian Expert Witnesses

Dietitian expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on dietitian. The dietitian expert witness listings on this page are typically from fields/areas of expertise such as: Bariatric Surgery, Food, and Nutrition.

Mitchel Holliday, EdD, RDN, CDCES, FAND

Nutrition Expert/Chief Dietitian 2x Fed. Agencies

Holliday Consulting, LLC

St. Charles, Minnesota
Nutrition, Food - Food Allergy, Obesity, Diabetes, Malnutrition, Foodborne Illness, Dietitian, Wound Care, Menu Analysis, Jails, Hunger Strike, Food Safety, Dysphagia, Clinical Nutrition, Long Term Care, Correctional Healthcare, Nursing Homes, Public Health, Pressure Ulcer, Dietician, Prisons
Dr. Holliday has been a registered dietitian nutritionist for 18 years. For the past 15 of those years Dr. Holliday has helped to enhance the nutrition care of the United States largest correctional system and has served as the Chief of Nutrition and Dietetics for the Federal Bureau of Prisons since 2013. In 2021, he was selected by the U.S. Surgeon General to serve as the Chief Dietitian Officer for the United States Public Health Service (USPHS). Dr. Holliday has extensive experience and knowledge working with government senior executive staff and attorneys on in-depth nutrition and dietetic matters and providing foreign and domestic intergovernmental legal and budgetary communications including, Senatorial, Congressional, U.S. Department of Justice, U.S. Attorneys’ Offices, and Office of the President responses. Dr. Holliday has numerous peer-reviewed publications, extensive international and national public speaking experience, and experience consulting with private law fir...

Julie M Parrott, PhD, MS, RD / RDN

PhD RD Expert Witness - B1 Deficiency in Patients

Formulas for Fitness

Owego, New York
Bariatric Surgery, Nutrition - Wernicke's Encephalopathy, Nutrition, Medication, Nutrients, Pregnancy, Thiamin deficiency, Dietitian, Supplement, Malnutrition, Dementia, Vitamin B1 deficiency, GLP-1, Vitamin, Surgery, Diabetes, Obesity, Elderly, Mineral, Bariatric Surgery, Protein
Dr. Julie Parrott, PhD, MS, RDN, LDN, is a dedicated nutrition specialist in Metabolic and Bariatric Surgery (MBS) with extensive experience as both an Expert Witness and Registered Dietitian. She focuses on obesity and its related diseases, combining obesity medications with MBS to improve patient outcomes. As a healthcare professional, research fellow, and professor, Dr. Parrott utilizes her expertise to educate patients and students, offering strategies for lifelong weight management and overall health maintenance. Her strong skills in networking, program development, and patient care have been instrumental in achieving positive health transformations. She also takes pride in her role as an Expert Witness, particularly in cases involving nutrition in metabolic and bariatric surgery. An internationally recognized author and presenter with over 50 invited national and international presentations and 13 publications, eight as lead author, including: (1) "Predicting Recurrent Defic...